<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet version="1.0"
                xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
  <xsl:output method="html"
              version="4.0" />

  <xsl:template match="/">
    <html>FOO</html>
  </xsl:template>
</xsl:stylesheet>